Es Devlin is about to release a pride of poetry loving lions into Trafalgar Square for this year’s London Design Festival

The voluminous groups of tourists who mill around one of central London’s most iconic open spaces in the next few months might unwittingly find themselves in for a shock. No, the bloke who levitates while dressed as Yoda hasn’t decided to pack it in and get a job at Goldman Sachs, and, no, the needlessly heavy doors that guard the great unwashed from the stacks of Taschen books at the National Gallery bookshop haven’t gotten any lighter overnight – but one of the UK’s most celebrated designers has been asked to install an interactive sculpture slap bang in the middle of Trafalgar Square.